Saint Jo is a city in Montague County, Texas, United States, along the northern border of the state. It has a population of over 1000 according to the last census. It was established in 1856 by European settlers. One of the settlers was known as St. Jo due to his opposition to drinking alcohol. The median income of a St. Jo family is about 22.000 $. The city holds BoHo Saint Jo semiannually, a collaborative event produced with the retail clothing store Panache. The event features local vendors who can showcase their locally sourced goods.